Honors & Qualifications
Patents
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Invention Patent Certificate: Fire-resit bus-bar
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Invention Patent Certificate: A drawer type switch cabinet
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Invention Patent Certificate: Fire-resit Cable tray
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Invention Patent Certificate: Drawer anti-shake adjusting device
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Patent Certificate: A digital synchronous phase identification circuit
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Patent Certificate: GN19 disconnector switch mounting plate for GXN cabinet
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Invention Patent Certificate: Distribution Board with circuit coil function